#VU104688 Improper locking in Linux kernel - CVE-2022-49297
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104688
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2022-49297
CWE-ID: CWE-667
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the nbd_start_device_ioctl() function in drivers/block/nbd.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/09dadb5985023e27d4740ebd17e6fea4640110e5
- https://git.kernel.org/stable/c/141318e62db87105b0103fccc59c9c5940da248d
- https://git.kernel.org/stable/c/54b06dc2a206b4d67349bb56b92d4bd32700b7b1
- https://git.kernel.org/stable/c/62d227f67a8c25d5e16f40e5290607f9306d2188
- https://git.kernel.org/stable/c/67e403136a0e1a55fef6a05f103a3979a39ad3fd
- https://git.kernel.org/stable/c/69893d6d7f5c10d8306c1b5fc64b71efc91aa6cd
- https://git.kernel.org/stable/c/c4ba982bd5084fa659ef518aaf159e4dab02ecda
- https://git.kernel.org/stable/c/f72df77600a43e59b3189e53b47f8685739867d3
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.122